期刊
APPLIED PHYSICS LETTERS
卷 102, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4773572
关键词
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资金
- National Natural Science Foundation of China [61205160]
- Qianjiang Talent Project [2011R10010]
- Doctoral Fund of Ministry of Education of China [20110101120061]
- Scholarship Award for Excellent Doctoral Student
- Ministry of Education
- Fundamental Research Funds for the Central Universities [2012FZA5004]
We propose an approach that uses a conventional optical microscope to achieve optical super-resolution. This approach will provide a direct, non-invasive, and far-field access in the observation of both metallic and non-metallic objects with a spatial resolution of tens-of-nanometres, achieved in a single snap shot. This method, combines near-field illumination by the micro-fiber and a passive spatial frequency shift by the sample itself, offering a promising approach to surface tomography imaging without localized field enhancement by surface plasmon polaritons. Our results present the potential of breaking the diffractive barrier using a conventional wide-field optical microscope within the visible spectrum. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4773572]
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